Scientists have found the first animals that can survive and reproduce entirely without oxygen, deep on the floor of the Mediterranean Sea. The team, led by Roberto Danovaro from Marche Polytechnic University in Ancona, Italy, found three new species from the Loricifera group.
He told BBC World Service they were about a millimetre in size and looked like jellyfish in a protective shell."We plan to go back and see if there are new surprises for us," he added.
"It is a real mystery how these creatures are able to live without oxygen because until now we thought only bacteria could do this" Professor Roberto Danovaro
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